MELSRV CURRENT CONTENTS DATABASES Z39.50 SERVER STATISTICS
Time period: 07/01/01 through 07/31/01
1.0 SUMMARY STATISTICS
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Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 2,730 34,481
2-4 a.m. 2,067 30,885
4-6 a.m. 742 11,194
6-8 a.m. 1,360 28,387
8-10 a.m. 4,855 83,918
10-12 a.m. 9,029 165,447
12-2 p.m. 8,013 153,576
2-4 p.m. 10,596 226,991
4-6 p.m. 7,713 139,287
6-8 p.m. 2,910 49,252
8-10 p.m. 1,749 30,170
10-12 p.m. 1,301 23,010
__________ _____________ _________________
Total: 53,065 976,598
1.1 SEARCH commands
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Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 855
Davis 1,742
Irvine 224
Los Angeles 358
Riverside 95
San Diego 531
San Francisco 622
Santa Barbara 530
Santa Cruz 300
Lawrence Berkeley 145
Lawrence Livermore 58
Los Alamos 0
MELWEB 146
Searchlight 4,256
Other - UC 41,943
Other-Network UC 1,260
_____
53,065
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 9,852
Davis 45,811
Irvine 3,665
Los Angeles 4,650
Riverside 1,008
San Diego 8,533
San Francisco 4,176
Santa Barbara 5,656
Santa Cruz 3,527
Lawrence Berkeley 2,034
Lawrence Livermore 1,716
Los Alamos 0
MELWEB 82
Searchlight 0
Other - UC 847,765
Other-Network UC 38,123
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976,598
1.3 Response time
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Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.6
Standard deviation in seconds 6.0
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.3
Standard deviation in seconds 0.5
2.0 CURRENT CONTENTS Database Detailed Statistics
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Median session length (minutes:seconds) 20:30
Average session length (minutes:seconds) 15:45
Longest session recorded (minutes:seconds) 193:33
Average number of searches completed per session 0.0
Retrievals per search - median 5.0
Retrievals per search - average 798.4
Retrievals per search - standard deviation 9018.6
Percent of searches completed with 0 results 26.2%
Percent of searches entered that are long 0.0%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 53,065 14.8%
PRESENT 281,635 78.7%
INIT or CLOSE 22,862 6.4%
OTHER 250 0.1%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 24,510 34.4% 4,855 19.8% 14 204.8 2397.1
TITLE WORD 26,704 37.5% 7,689 28.8% 10 1267.9 11157.2
EXACT TITLE 725 1.0% 405 55.9% 1 64.2 410.3
JOURNAL 4,368 6.1% 1,758 40.2% 12 3319.6 24883.4
EXACT JOURNAL 2,639 3.7% 1,106 41.9% 269 3711.5 9525.6
DATE 2,644 3.7% 537 20.3% 6 79.2 512.5
ADDED SINCE 5,001 7.0% 3,602 72.0% 3 11.3 25.2
SUBFILE 423 0.6% 172 40.7% 18 617.5 2756.5
LANGUAGE 810 1.1% 229 28.3% 26 689.9 3720.2
SUBJECT CATEGORY 377 0.5% 130 34.5% 13 196.7 1103.7
PUB TYPE 374 0.5% 71 19.0% 26 1085.1 13703.6
ISN 3 0.0% 2 66.7% 1 1.0 0.0
ARTICLE 0 0.0% 0 0.0% 0 0.0 0.0
AT 2,548 3.6% 738 29.0% 22 1039.0 5316.9
Other indexes 29 0.0% 28 96.6% 43 43.0 0.0
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 15,228 28.7% 6,176 40.6% 5 302.6 2979.4
Single 37,837 71.3% 7,728 20.4% 22 1316.2 11834.1
PRESENT commands, by type:
MARC 63.4%
OPAC 22.9%
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